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Description
REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration.CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste.FITS TETRA WHISPER WATER FILTERS Color coded to make it simple to remember which replacement cartridge size to purchase.CONVENIENT Replacement filter cartridges are fully assembled and ready to use.USAGE Change monthly or sooner if needed.Keeps water crystal clear.Removes odors and discoloration.Easy to use.Two small, disposable filter cartridges.Fits Whisper In-tank 3i.It is recommended that you replace your Whisper Bio-Bag when water begins to overflow excessively from the Wonder Tube chamber, or once per month.